CN217152305U - Vibration-damping noise-reducing air conditioner compressor main shaft - Google Patents
Vibration-damping noise-reducing air conditioner compressor main shaft Download PDFInfo
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- CN217152305U CN217152305U CN202221087210.5U CN202221087210U CN217152305U CN 217152305 U CN217152305 U CN 217152305U CN 202221087210 U CN202221087210 U CN 202221087210U CN 217152305 U CN217152305 U CN 217152305U
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- main shaft
- sleeve
- vibration
- bearing
- damping
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- 238000013016 damping Methods 0.000 title claims abstract description 51
- 238000004378 air conditioning Methods 0.000 claims abstract description 7
- 230000000903 blocking effect Effects 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000007769 metal material Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model discloses a vibration-damping noise-reducing air-conditioning compressor main shaft, which belongs to the technical field of compressor main shafts and provides a main shaft for an air-conditioning compressor with simple structure and vibration-damping noise-reducing function; the main shaft of the air-conditioning compressor comprises a main shaft body, a bearing and a vibration reduction and noise reduction seat, wherein a shaft shoulder is arranged on the main shaft body, one side of the shaft shoulder is provided with the bearing, and the vibration reduction and noise reduction seat is arranged outside the bearing; the damping seat comprises an inner arranging sleeve, an arranging hole is formed on the inner arranging sleeve coaxially, a bearing is arranged in the arranging hole, a middle damping sleeve is arranged outside the inner arranging sleeve, an outer fixing sleeve is sleeved on the main shaft body and is formed by connecting a cylinder part and an end cover, and the middle damping sleeve covers the inner arranging sleeve.
Description
Technical Field
The utility model belongs to the technical field of the compressor main shaft, refer in particular to an air condition compressor main shaft that damping was fallen and is made an uproar.
Background
The semi-closed single screw compressor has main rotor and two symmetrically arranged star wheel rotating assemblies as its main moving parts, and belongs to the field of positive displacement compressor. For the compressor, there are many criteria for the performance, noise is one of them, and the noise is often generated during the use of the motor end bearing for the existing single screw compressor due to the large friction between the bearing and the main shaft and the external device, so that a great deal of noise is generated during the use, and it is very important to reduce the noise. However, the conventional spindle structure of the compressor is as described in chinese utility model patent publication No. CN211525085U, and the bearing seat and the matching portion of the bearing in such a structure can fundamentally solve the vibration caused by the shaking of the spindle, and the like, and still generate noise, and affect the overall performance and the service life of the spindle.
Disclosure of Invention
The utility model aims at providing a simple structure and damping fall the main shaft that air condition compressor used of making an uproar.
The purpose of the utility model is realized like this: a vibration-damping noise-reducing air-conditioning compressor main shaft comprises a main shaft body, a shaft shoulder is arranged on the main shaft body, a bearing is arranged on one side of the shaft shoulder, and a vibration-damping placing seat is arranged outside the bearing; the vibration reduction seating base includes:
an inner mounting sleeve, a mounting hole is coaxially formed on the inner mounting sleeve, a bearing is arranged in the mounting hole,
a middle damping sleeve which is arranged outside the inner mounting sleeve,
the outer fixing sleeve is sleeved on the main shaft body and is formed by connecting a cylinder part and an end cover outside the middle damping sleeve and covering the inner mounting sleeve. The inner mounting sleeve and the outer fixing sleeve are both made of metal materials, and the middle damping sleeve is made of damping rubber.
The inner mounting sleeve is used for mounting a bearing, and the middle damping sleeve plays a bearing role between the inner mounting sleeve and the outer fixing sleeve, so that the noise caused by the shaking and the vibration of the main shaft can be synthesized, and the integral stability of the compressor and the practicability of the main shaft are ensured.
The utility model discloses further set up to: the outer wall of the inner placement sleeve is provided with a plurality of positioning grooves which are uniformly distributed, the middle damping sleeve is provided with positioning ribs matched with the positioning grooves, and the length of the inner placement sleeve is smaller than that of the middle damping sleeve.
The inner placement sleeve can be well positioned by matching the positioning groove with the positioning rib, so that the inner placement sleeve can be fixed to a certain degree; the length of the inner mounting sleeve is smaller than that of the middle vibration damping sleeve, so that the occurrence of noise caused by the axial shaking of the inner vibration damping sleeve and the collision of metal pieces can be reduced.
The utility model discloses further set up to: the outer fixing sleeve extends to the main shaft body in two sides to form blocking edges, the middle damping sleeve and the inner mounting sleeve are positioned between the two blocking edges, and the inner sides of the two blocking edges and the parts positioned in the mounting holes are provided with abutting blocks abutting against the bearing. The resisting block is made of metal materials and is rotationally connected with the main shaft.
The bearing is well supported and limited by the supporting block, so that the offset of the bearing is reduced.
The utility model discloses further set up to: the outside of the resisting block is provided with a wrapping part, and the resisting block is propped between the bearing and the blocking edge through the wrapping part. And the wrapping part is abutted against the inner ring of the bearing. The wrapping part and the abutting block are fixed through an adhesive.
The arrangement of the wrapping part can avoid direct contact between the supporting block and the bearing or the blocking edge, thereby reducing the noise and further ensuring the practicability.
The utility model discloses further set up to: the vibration reduction seating further comprises:
and a vibration damping sheet provided with an adhesive on the barrier edge in a direction toward the main shaft body. The damping sheet and the wrapping part are both made of damping rubber or silica gel.
The arrangement of the vibration reduction sheet can prevent the main shaft body from directly contacting with the baffle edge in the shaking or vibrating process, thereby reducing the noise.
The utility model discloses further set up to: the vibration reduction seating further comprises:
and the buffer sheet is fixedly arranged on one side of the outer fixing sleeve close to the shaft shoulder through an adhesive.
The arrangement of the buffer sheet can reduce the direct contact between the outer fixed sleeve and the shaft shoulder, thereby further reducing the noise and simultaneously reducing the noise.
The utility model discloses further set up to: wear-resistant coatings are arranged on the vibration reduction sheet, the wrapping part and the outer side of the buffer sheet.
The service life of the vibration reduction sheet, the wrapping part and the buffer sheet can be ensured through the arrangement of the wear-resistant coating.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at I;
reference numbers in the drawings and corresponding part names: 1-main shaft body, 2-inner arrangement sleeve, 3-middle damping sleeve, 4-outer fixed sleeve, 5-positioning groove, 6-blocking edge, 7-resisting block, 8-wrapping part, 9-damping sheet and 10-buffer sheet.
Detailed Description
The invention will be further described with reference to specific embodiments in conjunction with the accompanying drawings, see fig. 1-2: example one
A vibration-damping noise-reducing air-conditioning compressor main shaft comprises a main shaft body 1, wherein a shaft shoulder is arranged on the main shaft body 1, a bearing is arranged on one side of the shaft shoulder, and the vibration-damping noise-reducing air-conditioning compressor main shaft also comprises a vibration-damping placing seat arranged outside the bearing; the vibration-damping seat comprises
An inner mounting sleeve 2, a mounting hole is coaxially formed on the inner mounting sleeve 2, a bearing is arranged in the mounting hole,
a middle damping sleeve 3, the middle damping sleeve 3 is arranged outside the inner mounting sleeve 2,
the outer fixing sleeve 4 is sleeved on the main shaft body 1, is formed by connecting a cylinder part and an end cover, is arranged outside the middle damping sleeve 3 and covers the inner mounting sleeve 2. The inner mounting sleeve 2 and the outer fixing sleeve 4 are both made of metal materials, and the middle damping sleeve 3 is made of damping rubber.
Through interior arrangement cover 2 be used for the installation bearing, the effect of accepting is played between including arranging cover 2 and the outer fixed cover to middle damping cover 3 to can synthesize the noise that main shaft shake and vibration brought, thereby ensure the holistic stability of compressor and the practicality of main shaft.
Example two
Further on the basis of the first embodiment: the outer wall of the inner placement sleeve 2 is provided with a plurality of positioning grooves 5 which are uniformly distributed, the middle damping sleeve 3 is provided with positioning ribs matched with the positioning grooves 5, and the length of the inner placement sleeve 2 is smaller than that of the middle damping sleeve 3.
The inner placing sleeve 2 can be well positioned by matching the positioning groove 5 with the positioning ribs, so that the inner placing sleeve 2 can be fixed to a certain degree; the length of the inner mounting sleeve 2 is smaller than that of the middle damping sleeve 3, so that the occurrence of noise caused by the collision of the axial vibration of the inner damping sleeve and a metal piece can be reduced.
EXAMPLE III
On the basis of the second embodiment: two sides of the outer fixed sleeve 4 extend towards the main shaft body 1 to form blocking edges 6, the middle damping sleeve 3 and the inner installation sleeve are positioned between the two blocking edges 6, and the inner sides of the two blocking edges 6 and the parts positioned in the arrangement holes are provided with abutting blocks 7 abutting against the bearings. The resisting block 7 is made of metal materials, and the resisting block 7 is rotatably connected with the main shaft.
The bearing is well supported and limited by the abutting block 7, so that the offset of the bearing is reduced.
Example four
Further on the basis of the third embodiment: a wrapping part 8 is arranged outside the abutting block 7, and the abutting block 7 abuts between the bearing and the blocking edge 6 through the wrapping part 8. And the wrapping part 8 is abutted against the inner ring of the bearing. The wrapping part 8 and the abutting block 7 are fixed by an adhesive.
The arrangement of the wrapping part 8 can avoid the direct contact between the abutting block 7 and the bearing or the blocking edge 6, thereby reducing the generation of noise and further ensuring the practicability.
EXAMPLE five
Further on the basis of example four: the vibration reduction seating further comprises:
the damper sheet 9 is provided with the damper sheet 9 by an adhesive in a direction toward the spindle body 1 on the edge 6. The damping sheet 9 and the wrapping part 8 are made of damping rubber or silica gel.
The vibration reduction sheet 9 can prevent the main shaft body 1 from directly contacting the baffle edge 6 in the shaking or vibrating process, thereby reducing the noise.
EXAMPLE six
Further on the basis of example five: the vibration reduction seating further comprises:
and a cushion sheet 10, wherein the cushion sheet 10 is fixedly arranged on one side of the outer fixing sleeve 4 close to the shaft shoulder through an adhesive.
The arrangement of the buffer sheet 10 can reduce the direct contact between the outer fixed sleeve 4 and the shaft shoulder, thereby further reducing the noise and simultaneously reducing the noise.
EXAMPLE seven
Further on the basis of example six: and wear-resistant coatings are arranged on the outer sides of the vibration reduction sheet 9, the wrapping part 8 and the buffer sheet 10.
The service life of the vibration damping sheet 9, the wrapping part 8 and the buffer sheet 10 can be ensured by the arrangement of the wear-resistant coating.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides an air condition compressor main shaft of making an uproar falls in damping, includes main shaft body (1), is provided with the shaft shoulder on main shaft body (1), and shaft shoulder one side is provided with bearing, characterized by: the vibration reduction placing seat is arranged outside the bearing; the vibration reduction seating base comprises:
the inner mounting sleeve (2) is coaxially provided with a mounting hole, and the bearing is arranged in the mounting hole;
the middle damping sleeve (3), the middle damping sleeve (3) is arranged outside the inner mounting sleeve (2);
the outer fixing sleeve (4) is sleeved on the main shaft body (1), is formed by connecting a cylinder part and an end cover, is arranged outside the middle damping sleeve (3) and covers the inner mounting sleeve (2).
2. The air condition compressor main shaft of reducing vibration and noise according to claim 1, characterized in that the outer wall of the inner placing sleeve (2) is provided with a plurality of positioning grooves (5) which are evenly distributed, the middle damping sleeve (3) is provided with positioning ribs which are matched with the positioning grooves (5), and the length of the inner placing sleeve (2) is smaller than that of the middle damping sleeve (3).
3. The air-conditioning compressor main shaft with the vibration and noise reduction function as claimed in claim 2, wherein blocking edges (6) extend from two sides of the outer fixing sleeve (4) towards the main shaft body (1), and abutting blocks (7) abutting against a bearing are arranged on the inner sides of the two blocking edges (6) and the parts of the two blocking edges, which are positioned in the mounting holes.
4. The air conditioner compressor main shaft capable of reducing vibration and noise according to claim 3, wherein a wrapping portion (8) is arranged outside the abutting block (7), and the abutting block (7) abuts between the bearing and the retaining edge (6) through the wrapping portion (8).
5. The air condition compressor main shaft that reduces vibration and noise of claim 4, characterized by that, the damping mount further includes:
and the vibration reduction sheet (9) is arranged in the direction of the blocking edge (6) towards the main shaft body (1).
6. The air condition compressor main shaft of reducing vibration and noise of claim 5, wherein the vibration reduction seating further comprises:
the buffer sheet (10) is arranged on one side, close to the shaft shoulder, of the outer fixing sleeve (4).
7. The air conditioner compressor main shaft capable of reducing vibration and noise according to claim 6, wherein wear-resistant coatings are arranged outside the vibration reduction sheet (9) and the wrapping portion (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221087210.5U CN217152305U (en) | 2022-05-06 | 2022-05-06 | Vibration-damping noise-reducing air conditioner compressor main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221087210.5U CN217152305U (en) | 2022-05-06 | 2022-05-06 | Vibration-damping noise-reducing air conditioner compressor main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217152305U true CN217152305U (en) | 2022-08-09 |
Family
ID=82665746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221087210.5U Active CN217152305U (en) | 2022-05-06 | 2022-05-06 | Vibration-damping noise-reducing air conditioner compressor main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217152305U (en) |
-
2022
- 2022-05-06 CN CN202221087210.5U patent/CN217152305U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Linpeng Inventor before: Zhang Linming |
|
| CB03 | Change of inventor or designer information |